The best replacement for polio is poliomyelitis.

The best alternatives to polio are rated as following:
★★★★★  poliomyelitis
★★★★★  meningitis
★★★  listeriosis
★★  smallpox
★  gbs
★  infantile paralysis
★  polio

Your alternative for polio is not listed? Suggest!
Speaking about polio, one probably shouldn't forget about franklin roosevelt.

Other search terms related to polio and their ratings are:
★★★★★ franklin roosevelt
★★★★ mother having polio
You have in mind a companion for polio and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of polio in all years. Click on graph for more.
polio
poliomyelitis
meningitis